Home / 11,505.87-17,249.37-5,960.79

Finding the Fourth Proportional to 11,505.87, 17,249.37 and 5,960.79

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Solution

The fourth proportional to 11,505.87, 17,249.37 and 5,960.79 is: 8,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.87 : 17,249.37 = 5,960.79 : x
  2. Step 2: Convert to fraction form
    11,505.87/17,249.37 = 5,960.79/x
  3. Step 3: Cross multiply
    11,505.87x = 17,249.37 × 5,960.79
  4. Step 4: Simplify right side
    11,505.87x = 102,819,872.20
  5. Step 5: Solve for x
    x = 102,819,872.20/11,505.87
  6. Step 6: Final answer
    x = 8,936.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.